A steel bar AD has a cross-secțional area of 260 mm? and is loaded byforçes P, = 12 kN, P2-8 kN. and P3 = 6, kN. The lengths of the segmentsof the bar are a = 1:5 m, b = 0.6 m, ạnd c = 0.9 m.(a) Assuming that the modulus of elasticity E = 210 GPa, calcuļate thechange in length & of the bar. Does the bar elongate or shorten?(b) By what amount P should the load P, be increased so that end D ofthe bar does not move when the loads are applied?%3DP1P2P3Aвab

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A steel bar AD has a cross-secțional area of 260 mm? and is loaded by forçes P, = 12 kN. P,= 8 kN. and P3 = 6, kN. The lengths of the segments of the bar are a = :5 m, b = 0.6 m, and c = 0.9 m. (a) Assuming that the modulus of elasticity E = 210 GPa, calculate the change in length & of the bar. Does the bar elongate or shorten? (b) By what amount P should the load P, be increased so that end D of the bar does not move when the loads are applied? %3D P1 P2 P3 в a b

A steel bar AD has a cross-secțional area of 260 mm? and is loaded by forçes P, = 12 kN. P,= 8 kN. and P3 = 6, kN. The lengths of the segments of the bar are a = :5 m, b = 0.6 m, and c = 0.9 m. (a) Assuming that the modulus of elasticity E = 210 GPa, calculate the change in length & of the bar. Does the bar elongate or shorten? (b) By what amount P should the load P, be increased so that end D of the bar does not move when the loads are applied? %3D P1 P2 P3 в a b

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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